Life skills · Grades 9–9
Money & planning · Formula sheet
Rules, conditions and small examples in one printable reference.
Remember this
Percentage discounts
Find the discount, then subtract it from the original price. Ignore taxes unless given.
sale price = original × (1 − rate/100)
460 × (1 − 50/100) = 230
A simple budget balance
A negative balance means expenses exceed income in this exercise.
balance = income − expenses
300 − 130 − 150 = 20
Learning preview · teacher review required. Grade bands are approximate, not official curriculum alignment.